HELP PLS FAST A geographic area, the plant and animal life that lives there and the natural
processes that sustain them are known as an).
O A platform
O B. universal influence
O c. ecosystem
D. system of operation,

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Distance that the transcontinental railroad covered from omaha to san francisco.

This map shows the member states of the european union (eu). based on this map, what is the most likely reason the eu was formed? a) to increase trade between european nations b) to protect themselves from foreign enemies c) to begin the process of forming one large nation d) to isolate europe from the rest of the international community j